If it's non-competitive (ie no win/lose calculation), then it's a lapping day, aka HPDE, aka track day... Okay, that's cool. I would seriously question them on the tow hook issue, since for MANY cars, it is not a trivial addition. I can't think of a common US-designed car from this millenium that has factory provisions for tow hooks... Not the GTO, not the Mustang, I don't even think the Corvette has threaded hard-points. It would be worth asking. FWIW, many organizations are very flexible about stuff like that. For example, NASA "requires" a 1qt overflow bottle for the radiator, which is also impossible for our cars without hardware replacement to suit. That is waived almost universally in the HPDE-level cars, as well as TT. Not so for the racers, but... Drop them an email, or call them with that specific question. If nothing else, it will tell them that you actually read all the material and are taking it seriously! That's usually good enough for a waiver right there... Be prepared, though, that if you stuff the car somewhere deep enough to need "the hook," they probably won't be gentle yanking the car out...