For example for any ( even infinite ) collection of pairs of shoes, one can pick out the left shoe from each pair to obtain an appropriate selection, but for an infinite collection of pairs of socks ( assumed to have no distinguishing features ), such a selection can be obtained only by invoking the axiom of choice.

A hoof boot can be used in place of a horseshoe or as a temporary substitute for a thrown shoe

Hot shoeing can be more time-consuming, and requires the farrier to have access to a forge ; however, it usually provides a better fit, as the mark made on the hoof from the hot shoe can show how even it lies.

The farrier must take care not to hold the hot shoe against the hoof too long, as the heat can damage the hoof.

Some horseshoers will rasp the hoof down to fit an improperly shaped or too-small size of shoe, which is damaging to the movement of the horse and can damage the hoof itself if trimmed or rasped too short.

A poor horseshoer can also make mistakes in the shoeing process itself, not only quicking a horse, but also putting shoe on crooked, using the wrong type of shoe for the job at hand, shaping the shoe improperly, or setting it on too far forward or back.

Ice skating works because the metal blade at the bottom of the skate shoe can glide with very little friction over the surface of the ice.

Tap shoes, which are used in tap dancing, may be made from any style of shoe to which taps can be attached.

* Sanitization: the inside of shoes can be sanitized with germicidal shoe trees or other cleansing methods to prevent the growth of microorganisms such as odor-causing bacteria or fungi.

* Shoehorn – can be used to insert a foot into a shoe by keeping the shoe open and providing a smooth surface for the foot to slide upon.

Dumézil stated that he was aligned with both vertical space, due to his placement of his foot on the wolf's lower jaw and his hand on the wolf's upper jaw, and horizontal space, due to his wide step and strong shoe, and that, by killing the wolf, Víðarr keeps the wolf from destroying the cosmos, and the cosmos can thereafter be restored after the destruction resulting from Ragnarök.

Thus, a proposition of the form " A is a black raven and B is a white shoe " can be considered a sample proposition by taking " black raven " and " white shoe " to be predicates.

Good concludes that the white shoe is a " red herring ": Sometimes even a black raven can constitute evidence against the hypothesis that all ravens are black, so the fact that the observation of a white shoe can support it is not surprising and not worth attention.

The solo dances can either be in " soft shoe " or " hard shoe ".

Cedar is also commonly used to make shoe trees as it can absorb moisture and de-odorise.

It contains some of Chaplin's most famous gags, such as the Tramp eating his shoe and the " Dance of the Rolls ", and he later said it was the film he would most like to be remembered for.

Steel tends to be preferred in sports where a strong, long-wearing shoe is needed, such as polo, eventing, show jumping, and western riding events.

The group initially included future Florida Governor Jeb Bush and Jacksonville developer Tom Petway, and came to be led by shoe magnate Wayne Weaver, founder of Nine West.

Lars von Trier has said that " a film should be like a stone in your shoe ".

" As evidence for this, Simpson highlights Murray's claim that trial accounts of Satan's cloven hoof were instead referring to " perhaps a specially formed boot or shoe " that the coven-leader wore so that he could be recognized.

Daguerre took the first ever photo of a person in 1838 when, while taking a daguerreotype of a Paris street, a pedestrian stopped for a shoe shine, long enough to be captured by the long exposure ( several minutes ).

This upper part of the shoe is often made without apertures or openings, but may also be made with openings or even itself consist of a series of straps, e. g. an open toe featured in women's shoes.

Shoes with uppers made high to cover the ankles are also available ; a shoe with the upper rising above the ankle is usually considered a boot but certain styles may be referred to as high-topped shoes or high-tops.

They are thus popular for warm-weather wear, because they let the foot be cooler than a closed-toed shoe would.

Steel tends to be preferred in sports where a strong, long-wearing shoe is needed, such as polo, eventing, show jumping, and western riding events.

: and this exceeds unity by only about r /( 2N-2b ) if N-b is large compared to r. Thus the weight of evidence provided by the sight of a white shoe is positive, but is small if the number of ravens is known to be small compared to the number of non-black objects.

Hempel rejected this as a solution to the paradox, insisting that the proposition ' c is a raven and is black ' must be considered " by itself and without reference to any other information ", and pointing out that it "... was emphasized in section 5. 2 ( b ) of my article in Mind ... that the very appearance of paradoxicality in cases like that of the white shoe results in part from a failure to observe this maxim.

In Hebrew custom, the widow removed the shoe of her late husband's brother to symbolize that he had abandoned his duty.

In arab custom, the removal of one's shoe also symbolized the dissolution of marriage.

North Wales ' Main and Walnut Streets have been home to many businesses over the town's history and these two thoroughfares still serve the community today by providing a number of basic services such as one Tae Kwon Do school, two banks, a variety of hair salons and beauty parlors, a pharmacy, doctors ' offices, a dry cleaner, a running and walking shoe specialty store, a yoga studio, two auto repair facilities, two auto body shops, two laundromats, a post office, convenience store, and a custom cabinetry shop, among many others.

This was because he had to get many of his shoes custom made by George Esquivel, since his height & shoe size often made it problematic for Stiles to buy shoes from a store.

From the incident in the Book of Ruth (), which certainly refers to this ancient custom, it seems the loosening of the shoe symbolized a transfer of rights, and had no stigma attached to it.

Measurements of the foot are used in the manufacture and sale of footwear: measurement devices may be used either to determine a retail shoe size directly ( e. g. the Brannock Device ) or to determine the detailed dimensions of the foot for custom manufacture ( e. g. ALINEr ).

These are custom made inserts that fit into the patients shoe and help with proper pronation of the foot, which is otherwise a problem that can lead to problems with the Achilles.

Depending on the severity of the deformities, the treatment may include the amputation of the foot or part of the leg, lengthening of the femur, extension prosthesis, or custom shoe lifts.

There are a small number of custom cycling shoe makers that will tailor a shoe to a cyclist's exact foot size and shape.

Due to the large size of the contrabass's strings, it is not uncommon to see players using plectrums made from a leather shoe or boot heel.

Within the United States Graffiti Artists such as Mike Giant, Pursue, Rime, Noah and countless others have made careers in skateboard, apparel and shoe design for companies such as DC Shoes, Adidas, Rebel8 Osiris or Circa Meanwhile there are many others such as DZINE, Daze, Blade, The Mac that have made the switch to gallery artists often times not even using their initial medium, spray paint.

Bycast was originally made for the shoe industry and recently was adopted by the furniture industry.

The world's oldest leather shoe, made from a single piece of cowhide laced with a leather cord along seams at the front and back, was found in a cave in Armenia in 2008 and is believed to date to 3, 500 B. C.

They are often made of the same material as the sole of the shoe.

According to one story, Guthrie made friends with an African-American blues harmonica player named " George ", whom he would watch play at the man's shoe shine booth.

A vast array of products are made with vulcanized rubber including tires, shoe soles, hoses, and hockey pucks.

He made the first plaster casts of shoe impressions.

A fire hydrant photographed by a pinhole camera made from a shoe box, exposed on photographic paper ( top ).

By around 1875, early industries in the Village of New Haven included a general store, a sawmill, an iron foundry, a creamery, hardware store, a roller place that made flour, a farm supply business, two doctors, three flour, seed, and feed businesses, two garages to repair carriages and machinery of the day, a grocery and meat shop, a dry goods store, a drug store, a cooper ( barrel ) shop, two blacksmiths, two shoe and boot stores, a harness shop, a stove shop, two wagon shops, a livery stable, and a hotel chiefly known as the Graustark Hotel.

Inmates were made to work, many of them in the " shoe commando " which salvaged usable pieces of leather from shoes collected and brought to the camp from all over Germany and occupied Europe.

When a cobbler commented on his mistakes in painting a shoe, Apelles made the corrections that very night ; the next morning the cobbler noticed the changes, and proud of his effect on the artist's work began to criticize how Apelles portrayed the leg — whereupon Apelles emerged from his hiding-place to state: Ne sutor ultra crepidam —" Let the shoemaker venture no further.

Even songs are made focusing on specific shoe brands.

The halizah shoe is made entirely of leather, usually from the hide of a kosher animal.

Three small straps are attached to the front of the shoe, each of which has a knot (" humrata ") at the top to fit a hole made on the other side of the shoe.

The boot or shoe is close-fitting, without much padding and usually made of leather and carbon fiber and / or fiberglass composites.