It happens that the fastener-“lightning” on jackets, boots, trousers or skirts after some time becomes hard to hold. If all its teeth in order, the case is in lock-slider — weakened his bench.
To fix a zipper easy. Just take the pliers and easily compress the lock laterally. Does not help— to squeeze more top-to-bottom. Only do all this you need very careful, as the metal lock is very fragile.
G. KOMAROV, Linevo, Novosibirsk region