Besides simply being, you know, "your" Highland gear.

My Highland dance outfit was bought for me by my dad (so, on a "normal kilted day," kilt and hose). Attached to the inside of the inner apron is a Stewart-tartan button my mum found for me and which I sewed on as a tongue-in-cheek good-luck charm, and a small silver Celtic cross charm. My kilt hose were modified by me to better match the kilt. My sporran and kilt pin belonged to my former partner. The petticoat for the dress I wear for National dances was made for me by my mum and she attached a "good luck" button to the inside of that as well. My Luckenbooth plaid brooch was a gift from my former partner (okay, I asked him to give me one and picked it out, so I would have something "from him" to wear to dance in, but still!).

Tell me your stories of what gear you have that has special meaning to you for some reason...