Dads cum sock

for the longest time I never understood why my dads socks in the laundry were so stiff in the opening until one day I picked one up and realized what I was looking at, but instead of being disgusted I found it rather hot, sometimes while he's at work ill take em and jack off with them adding my load as well into his socks, knowing his cocks been inside them and his dried cum is around my cock just makes me bust, the thought of our cum mixing and drying together turns me on so much