On some knitting machines, a device is used to clamp the yarn on the yarn guide that is about to quit knitting, so that it will not leave the yarn guide so as to re-enter the work.

Jujube-making workers in garment factories mean strengthening pockets, cuffs and other vulnerable positions in garment factories. The division of labor of sewing machine lathe workers includes flat car, thousand birds, three copies, jujube making and copying.

Jujube is very common in clothing, especially in jeans and tooling, which mainly plays a reinforcing role.

There is a special jujube beating machine in industry, and the post of operating this machine is also called jujube beating.