I have some jersey lying around (like any good fabric hoarder) and want to cut it into a stretchy wrap for when bubba arrives. I've found instructions online that seem to be as simple as taking 5.5m and cutting it in half lengthwise. But one mentioned tapering it so it's full width in the middle and less wide at the ends. So those with a stretchy, is it all one width or do the ends taper? I'm thinking tapered ends would mean less bulk to tie etc.