Just curious for the endless pool owners - have you tried using a tether instead of the jet?

Just a curiosity question here for all you endless pool users/owners - have you ever tried using a swim tether (with no currents/jet running in your endless pool) instead of the normal flowing water stream of the endless pool?

I’m not planning on buying an endless pool, ever (space, high water costs in Norcal, etc.) but I’ve seen some videos where some strong swimmers who might overpower the jet of an endless pool, are additionally tethered so they can go harder, and made me wonder if/why people just don’t tether themselves in lieu of the jet.

I’ve done tethered swimming before, and honestly it felt really legit to me. I wouldn’t try ‘learning’ to swim on a tether, but in terms of keeping your swim muscles fit, it definitely did the job.