Beware of FAK/soccer club turf issues. Been burned on this one. Political savvy is a survival trait, and folks are much less rational in their hobbies and volunteer work than they are in the workplace. If there is some way to make it their idea...

The docs don't pass out the only really effective local anesthetic, lidocaine gel because, if applied too often or too generously, it can be absorbed into systemic circulation and cause convulsions. Cold packs are the best and safest answer. Cookies work, too, but it's hard to keep the kit stocked.