Pair when a cold front or storm are coming - Low pressure is your friend .

Use shed from other animals in the enclosure, don't forget to mist the shed.

Pair with a female that just shed.

Mist the enclosure.

Use a sperm plug from another male and put smear it on the female's back.

Put two females in the same enclosure with the male.

Switch bedding and use the bedding of a strong breeder.