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
Dolphin learns to swim
What should you give preference when designing an amphibian: teach it to swim well, turning it into a boat on wheels, or let it run well on land and slowly overcome water obstacles? This...
UPGRADED RAKE
A lever mounted on the rake (figure 1), will greatly facilitate the work of the gardeners when released from the teeth of grass or foliage. Make it from steel wire diameter 6 ... 8 mm....