A nurse is providing teaching to an assistive personnel about the application of wrist restraints to a client. Which of the following instructions should the nurse include in the teaching?

Attach the restraints to the fixed portions of the frame of the client's bed.

Remove the client's restraints every 2 hr

Secure the client's restraints with a square knot.

Allow 1 fingerbreadth between the restraint and the client's wrists.