Store bar and pipe clamps right under your workbench where they'll always be close at hand. Just screw sections of 4-in.-dia. PVC pipe under your workbench and slide the clamps into the pipe.
The Family Handyman on MSN1y
How to Connect a PVC Pipe to ABS Pipe
It’s then held tight with a stainless steel metal jacket and integral clamps. The coupling will be labeled as to which type ...