To cut with a hacksaw a thin tube, not securing them, very uncomfortable and tiring. However, if you have no grip on this case— do not worry: help out a pair of wooden sticks, with one end tied with twine or wire. You can sdelatj the bars cross the hollows for the pipe and place the coupler to attach the rubber pad to facilitate the unclamping of the bars with the release of the tube.
Recommend to read
SOFT TWEEZERS
During chemical processing of photographic plates and papers usually use medical tweezers (it can be purchased in the pharmacy). However, the notch in the jaws often damage the emulsion...
SCOOTER WITH HOMEMADE STOCKS
In Soviet times collective farm and state farm meadows often held cultural pastures on which was mounted a water system. With the collapse of the nearest to us of the farm...