The example given is for a Guzzi that has two springs. So you extend the stand with one spring fitted and then put a number of coins in between the coils. Release the stand and repeat with the second spring. You can then fit both and remove the coins.
I guess that would work if you could stretch a single spring when one end is in a vice. Anyway, just a thought.
Just come back from a long bimble in snow flurries. Perishing.