Splint

If the torque is too high, the shaft might break. That's why we are using a shear splint as a torque limiter.

Sami's parents splint.

The doctor put a splint on her arm.

[...] I saw in the white men's ward that little chap tossing on his back, with his arm in splints, and quite light-headed.

The fore-part of his thighs, where the folds of his mantle permitted them to be seen, were also covered with linked mail; the knees and feet were defended by splints, or thin plates of steel, ingeniously jointed upon each other; and mail hose, reaching from the ancle to the knee, effectually protected the legs, and completed the rider's defensive armour.