Both husband and wife are allowed to enjoy themselves between themselves in any way they like. They can use their hands or any other part of their body to make the other enjoy and even ejaculate, although masturbation is a sinful act if it was committed by a person by himself to himself or by herself to herself.
Every enjoyment is allowed between husband and wife except sexual intercourse when she is in her menstrual bleeding or post natal bleeding. Other enjoyments apart from intercourse e.g. kissing,hugging etc, are allowed between husband and wife always as far as there is no health condition against it. Husband is not allowed to force his wife when her health does not allow her.

Wassalam.