i would cut them above the heel about 5 or 6 eyes from the top,then use that to strap around my ankle.
this is on the cheap remember.i just ware hi-tops and aviod the whole damn problem.
But what do you do when the ghetto blaster* falls off your shoulder?
(I misread your post, I though you were gonna wear the boots, just cut shorter)
*for all you kids, this is what boom boxes used to be called, back in the hightop days.