V Kzip Now

: The curved/rounded part of the zip head should face upwards , while the flat part stays at the bottom.

: The width of the teeth in millimeters (e.g., a "Size 5" zip is 5mm wide); this number is often stamped on the back of the zipper head. V Kzip

: After the slider is on, sew a bar tack at the bottom to prevent the head from sliding off the end. Related "Proper" Zipper Terms : The curved/rounded part of the zip head