Need to measure stitched stitching and backing stitches
They must be of good quality because the cutting of some materials such as the strong cloth is very difficult and it is very hard on it to wear
Possibly sturdy, with interchangeable blades
To take measurements easily
To mark the position of cuts and stitching
It serves to beat the seed in the hard to reach points with the hammer
They help to achieve stringing without the help of a second person.
Together with the chains, they are used to perform stringing.
Powerful enough to work on important thicknesses with normal foot and for hinges