Get down on hands and knees and spread your legs for a point. If you have another favorite position for using your dildo, you can also do that for a point.
Anal:
Rub the skin between your balls and your butt for 20 seconds while stroking slowly. Then get some lube and caress the area around your anus for 30 seconds. Apply lube as necessary.
Other:
Rub the skin between your balls and your butt for 20 seconds while stroking slowly. Spread your legs as far as possible and continue this for another 20 seconds.