Due to Britax’s ClickTight technological know-how, the Poplar seat requires less effort and hard work to install than some other seat we tested. It seems to be and feels plusher than our top choose, but it isn’t really as good for extended rear-facing use. Using the tether isn't optional. Check https://spencertmfwn.ampedpages.com/5-simple-techniques-for-cleaning-car-seats-with-steam-59923611