Removing Morch DP-6 tonearm wires from cartridge

I will be replacing the cartridge on my Morch/Moerch tonearm once I get my new cartridge. This will be only the second time I have installed a cartridge on a tonearm; please forgive me for all of the the newbie questions.

I noticed that the rubber boots (?? I don't know the proper terminology) that cover the clips on the end of the tonearm wires seem to be a bit dried out, with some small cracks in them as well, and so I am concerned that they might disintegrate when I try to remove the clips from the cartridge contact pins. (I haven't actually touched the boots to see whether or not they are still pliable, this is an observation from visual inspection only.)

Is there a trick to removing the clips easily? (I'm already worried because I know how fragile the wires themselves are.) Is there perhaps some sort of moisturizer or lubricant I can use that won't interfere with the electrical connection but will make it easier to remove the clips, and that might also "replenish" the rubber of the 'boots' ? (Or does the condition of the boots not really matter as long as the wires themselves are OK?)

Holly