Use reasoning to answer the following question.
If one of your feet is in a leg cast, should the other be in a sandal?

no
If you are using crutches, it is advised to have non-slip shoes with a closed toe.

Most sandals do not have non-slip traction and, by definition, don't have closed toes.

If you are in a leg cast you are likely to be using crutches.

.

The final answer: no