SpareParts Tomboi HarnessPack and play all day! SpareParts Tomboi Harness is a comfortable brief that is specially designed to be worn all day and night. The Tomboi slips on and off just like briefs and is so comfortable, you'll forget you're wearing a harness. Tomboi's quick dry nylon material is designed to wick moisture away from the body making this ideal for all day wear, or wet adventures. The internal packing strap comes with an o ring that fits most dildos with a 1.