Well, one of our shop walls can only hold our clock, as it was erected hastily a few years ago and is impossibly thin.
The other is cement, and we don't really have a way to install mounting brackets on it.
$0.01 solution to install pegboard:
And:
Brought to you by rookies #2349, who will be getting more useful tools than those pictured next week when their home depot account setup goes through because their school won't let them spend money they raised, properly...
Zip ties ftw.