For breaking the seal /bead, if needed I use the step technique which works on the side of the road as well (with elevated sidewalk). Put the deflated tire on the edge of a step (preferably stone/ something hard). Put shoe on the tire. Grab the wheel and yank it up (or down). So far I’ve managed to break all the seals on the tires without other tools. Afterwards still need to get it off the rim obviously.
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