I have never "shared" a toy with a bro....but i have played with two dildos at the same time with a fuck buddy.....many times.....I have also used a double-headed dildo with the same guy....each of us lying on our backs.........ass cheeks to ass cheeks....with the dildo deep in both our asses.....grinding and thrusting against each other....working that dildo....with both our cocks very very hard and seeping precum.....just a very hot scene.....