Clasps can be attached to the product directly or by means of clamps, bells, studs. With clips lock is attached in the following way:
At the end of the product to secure the yarn better not, as shown in the figure (using the node) and to deploy the thread and braid the ends of the yarn into the product - then you can skip the likelihood that knot untied and the product poured out.
Here's another way to fix the thread, not the best, but it can somewhere be useful:
Attach the lock to the product directly is only useful if the product is small (for example, the string on the hand) or when you have no clips. We also advise you to skip the thread through the eyelet of the lock 3-4 times to reinforce the thread and prevent the chafing of the thread lock. Here's how:
The harness lock is attached with a bell:
There's another little trick - when you have no lock on one end of the product to weave a small loop of beads, and at the other end to attach a small bead, such that it is difficult, but pressed into a ring. This is the castle, which, by the way, the product looks quite naturally and imperceptibly. Here's how it looks: