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Large Finger Grip Scissors curved-Stainless Steel Burfitt Brand

Large Finger Grip Scissors curved-Stainless Steel Burfitt Brand

Ideal curved scissor for those with large and fat fingers. the perfect scissor for arthritic hands.

stainless steel and about 10 cm in length with 2cm diameter finger holes

stay sharp and can be sharpened

$10.00

Large Finger Grip Scissors curved-Stainless Steel Burfitt Brand

Ideal curved scissor for those with large and fat fingers. the perfect scissor for arthritic hands.

stainless steel and about 10 cm in length with 2cm diameter finger holes

stay sharp and can be sharpened

A pair of scissors consists of two pivoted blades. In lower-quality scissors, the cutting edges are not particularly sharp; it is primarily the shearing action between the two blades that cuts the material. In high-quality scissors, the blades can be both extremely sharp, and tension sprung – to increase the cutting and shearing tension only at the exact point where the blades meet. The hand movement (pushing with the thumb, pulling with the fingers) can add to this tension. An ideal example is in high-quality tailor’s scissors or shears, which need to be able to perfectly cut (and not simply tear apart) delicate cloths such as chiffon and silk.

Children‘s scissors are usually not particularly sharp, and the tips of the blades are often blunted or ’rounded’ for safety.

Mechanically, scissors are a first-class double-lever with the pivot acting as the fulcrum. For cutting thick or heavy material, the mechanical advantage of a lever can be exploited by placing the material to be cut as close to the fulcrum as possible. For example, if the applied force (at the handles) is twice as far away from the fulcrum as the cutting location (i.e., the point of contact between the blades), the force at the cutting location is twice that of the applied force at the handles. Scissors cut material by applying at the cutting location a local shear stress which exceeds the material’s shear strength.

Some scissors have an appendage, called a finger brace or finger tang, below the index finger hole for the middle finger to rest on to provide for better control and more power in precision cutting. A finger tang can be found on many quality scissors (including inexpensive ones) and especially on scissors for cutting hair (see hair scissors pictured below). In hair cutting, some claim the ring finger is inserted where some place their index finger, and the little finger rests on the finger tang.

For people who do not have the use of their hands, there are specially designed foot-operated scissors. Some quadriplegics can use a motorized mouth-operated style of scissor.

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