clamp

Is it okay to clamp a plastic toilet water supply hose shut? The shutoff valve is old and doesn't close all the way, so I was wondering if I could just clamp the supply hose shut to install something above the hose. I don't know if the hose would break in a clamp, and couldn't find anything...

Hello All, Just joined and I need help to temporarily stop my water main from leaking while I trench and lay a new water main for my home. Right now it leaks approx. 160 gph. Is there a way to stop or slow the leak to 1-5 gals/day for about a month while I put in a new water main that will...