I've got the bar and a mystic majestic harness. The harness has got a slot under the elastic band, but you are indeed correct that the bar doesn't. you can however get a mystic knife pouch (complete with knife) to retrofit a harness.
www.amazon.com.au/dp/B07RFFBNXK/ref=cm_sw_r_cp_api_i_QZB2FbBZ7M5C3in terms of the stealth - it's really good, I've got the rope slide version. The rope is surprisingly durable. Circa 150 sessions and only now does the rope show some minor fraying.
