I’ve got the towee for my kids. Most of the time my son isn’t into it but it works a treat when on a longer slog. We camped at Alice Lake this summer and rode up to Miki’s. I don’t think he would have made it without the added help.
Single track turns suck.
Interestingly these things are just a rebranded fall-protection lanyard. If you have a line on HSE equipment in construction they can serve the same purpose.