"[Left] Cook's Auger; [Right] Expanding Auger."-Whitney, 1902.

Augers

"[Left] Cook's Auger; [Right] Expanding Auger."-Whitney, 1902.

"[Left] Post-hole Auger; [Right] Earth-boring Auger."-Whitney, 1902.

Augers

"[Left] Post-hole Auger; [Right] Earth-boring Auger."-Whitney, 1902.

A bit is used in equestrian activities and placed in the mouth of a horse, so the rider can control the horse.

Bit

A bit is used in equestrian activities and placed in the mouth of a horse, so the rider can control…

A bridle is a piece of equipment used to direct a horse. This bridle includes both the head stall that holds a bit which goes in the mouth of a horse, and the reins that are attached to the bit.

Bridle Bit

A bridle is a piece of equipment used to direct a horse. This bridle includes both the head stall that…

A kind of pointed instrument, used for boring holes, particularly in metals and other hard substances.

Drill

A kind of pointed instrument, used for boring holes, particularly in metals and other hard substances.

"Three drill bits. The first the old, bad, but not yet quite superseded pattern, which is incapable of making a straight or clean hole of any considerable depth, and which loses its original diameter both in wear and in sharpening; the second the twist drill, which compares favourably with it in every one of these respects; and the third a pin drill, for enlarging a hole already existing." —The Encyclopedia Britannica, 1903

Drill Bits

"Three drill bits. The first the old, bad, but not yet quite superseded pattern, which is incapable…

Twist drill bit.

Twist Drill

Twist drill bit.

Headgear without a bit that uses a nose band to control a horse is called a hackamore, or, in some areas, a bitless bridle. There are many different designs with many different name variations, but all use a nose band that is designed to exert pressure on sensitive areas of the animal's face in order to provide direction and control.

Driving Bit for Harness

Headgear without a bit that uses a nose band to control a horse is called a hackamore, or, in some areas,…

"Bridle and Bit, that part of a horse's harness which is attached to the head and mouth, by means of which he is governed and restrained." -Vaughan, 1906

Horse Bridle and Bit

"Bridle and Bit, that part of a horse's harness which is attached to the head and mouth, by means of…