I also don't have a trunk, but here's what I have anyway in my tack room lol.
-Lots of saddlepads & 2 girths
-Helmet of course
-Bunch of lead lines & lunge lines
-Boots (for the horse)
-Boots (for me, not for showing though)
-Showing Boots (my good ones, lol)
-Shampoo, MTG, conditioner, etc.
-3 bottles of fly spray (can never have enough!)
-2 fly masks
-Bridle & 2 bits (snaffle/eggbutt)
- WeatherBeeta blanket (for the cold!)
-Clippers in case I need 'em, but I rarely clip ever. Lol.
-braiding hair bands
-extra stirrup leathers & stirrup rubber thingies
- & of course brushes! Hoofpicks, soft brushes, hard brushes, a face brush, shedding comb, combs, curry combs, etc. :)
Ooooh & did I mention I have like 2908459085050 halters (ok, not REALLY that many, but a lot!)? LOL! I looove collecting halters.
Call me a fanatic, but they are so cute!