Magnets Hinge and Weld - none great (add friction to hinge?)
I had a balloon on a string. Dangles turn off the string (created a separate issue for that one). Without dangle the balloon would either sway from side to side with no way to stop it (there was no “friction” setting on the hinge to slow it down), or using weld it would be a firm stick with no dynamic feel to the balloon at all.
I think Hinge would be more useful if there was a friction or damping setting to slowly reduce the swaying effect of “hinge” today. Otherwise hinge is not that useful - things just keep spinning.

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Alan Kent commented
(I later realized the possibly obvious workaround - add a “end of string knot” layer about the rest of the balloon. Make the balloon and string a nested independent layer and put dangle on that (no collision - dangle and collision don’t work together). Put collide on the “knot” layer (I used a circle). So the string attaches to the knot, the knot attaches to the hand. The knot spins around a lot, but using hinge to attach the balloon to the knot means the balloon dangles nicely. I then made the knot invisible so you cannot actually see it. That workaround works pretty well - but I still think adding friction to hinge to slow down the spinning would be helpful.)