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
THE MANY FACES OF “YAK”
When creating almost any plane is always a desire to expand its functionality. So, the fighter may eventually turn into a fighter-bomber, a passenger airliner into a cargo and training...
TANK “TYPE 98” ARMY OF CHINA
The Chinese tank "Type 98" is considered a model of armored vehicles of the third generation. The engineering of this started back in the 1970s, Then developed experimental tanks WZ-and...