However, when these watches aren’t worn regularly, their mechanical energy can dwindle, affecting performance and longevity. This is where an automatic wrist watch winder comes into play. In this ...

In these instances, a yarn ball winder proves to be a valuable tool ... The handle turns smoothly, making it easy to wind up the wire. However, we did find that the metal pin that guides the ...

Instructables user [birdycrazy] built a winding rig from a PVC pipe and a bunch of K’Nex. He had recently started a Tesla coil project and needed an efficient way to wind the secondary coil.