Mom and dad make a three-some with the stepdaughter

Here in a high calisthenic Zig flick, the husband and wife get to step outside of their marital vows and produce an x-rated scene with their stepdaughter. This is compounded by the fact that it is forbidden territory since a mother-in-law is involved in the mix-up. The stepdaughters obscene desire for large cocks is demonstrated by her greed which she extends to both men.