Maybe this is old news to everybody. To me, a revelation.
Teeth could be plastic but the fix is for metal sliders.
Look at a zipper slider. It has a head and a tail. Open in one direction, mesh teeth to close in the other direction.
A zipper "let go" on a chest pocket in my favorite old Carhartt canvas coat. Does not close in either direction any more.
I was told to use a pair of pliers to GENTLY squeeze the left and right sides of the metal slider tail. Just a little.
Too much and it freezes. First squeeze not enough. Second squeeze = perfect.
Teeth could be plastic but the fix is for metal sliders.
Look at a zipper slider. It has a head and a tail. Open in one direction, mesh teeth to close in the other direction.
A zipper "let go" on a chest pocket in my favorite old Carhartt canvas coat. Does not close in either direction any more.
I was told to use a pair of pliers to GENTLY squeeze the left and right sides of the metal slider tail. Just a little.
Too much and it freezes. First squeeze not enough. Second squeeze = perfect.