The large strap wrench I use has a strap that is nearly 2" wide (actually more akin to a belt). It will grip (surface texture of strap) across the pulley grooves and once secured, will hold the pulley from turning. It does this because it has some stiffness to it and won't deflect into the pulley grooves. On previous applications, I could wedge the strap wrench handle against the floor to hold it in place. The handle is nearly 2 foot long. That holds the crank and I could loosen the bolt using both hands on the breaker bar. Like I said earlier, I understand that there our doubters out there. But that fact alone doesn't mean it can't be done. Been There; Done That! And for those that say emphatically that it can't be done, they probably don't have the experience to back up that position. It is only their opinion. Enough said about this!