(baseball) slider / slider of a zipper / slider (sandwich)

a chuck: a kind of clamp on a drill, lathe, or other spinning mechanical device that holds an object in place, such as a bit or other tool, or the object to be worked on

to chuck: to fasten an object into place using a chuck

a zipper, a zip fastener

take

take, fetch, take up

a woodchuck

to take advantage of something to one's benefit while in unfavorable conditions

being able to take as much as one would like

(shogi, chess) fork