A Boot Jack, sometimes known as a Boot Device, is a small tool which aids in the removal of boots. It consists of a U-shaped mouth which grips the heel of the boot, and a flat area to which weight can be applied. To operate it, the user places the heel of the boot in the mouth of the jack, stands on the back of the device with the other foot, and pulls his foot free of the front boot. The process is then repeated until both boots are removed. A pair of classic black leather Dr. Martens. ...

The boot jack has several advantages over the removal of boots by hand. By allowing the wearer to pull his foot straight up and out of the boot, and by using his full body weight to hold the boot in place, far greater leverage and a much more secure grip are possible than can be achieved with the hands. In addition, the wearer is spared the inconvenience of having to bend over or sit down to remove the boots, or directly handle them if they are dirty. Leverage is related to torque; leverage is a factor by which lever multiplies a force. ...

The function of the boot jack can be approxomated with a variety of other objects that may be on hand, ranging from a convienent piece of furniture to a rifle butt, but these generally cannot remove the boot as easily as a proper boot jack. Additionally, the sole of a boot still being worn can also function as an improvised jack, but the disadvantages of this last system are readily apparrant. Furniture is the collective term for the movable objects which support the human body (seating furniture and beds), provide storage, and hold objects on horizontal surfaces above the ground. ... A rifle is a firearm that uses a spiral groove cut into the barrel to spin a projectile (usually a bullet), thus improving accuracy and range of the projectile. ... The sole of a mans foot The Sole is the bottom of the foot. ...