I would just pull on the wire real hard. that being said you'll probably ruin the wire in progress. might be able to pick up a set of stock replacement wires from the parts house to destroy for the boots, and then use them on a universal set.
"I am not what you so glibly call to be a civilized man. I have broken with society for reasons which I alone am able to appreciate. I am therefore not subject to it's stupid laws, and I ask you to never allude to them in my presence again."