Bass Trap

I made some small bass trap for my room. My room in fact had already a surprisingly very good bass behavior... i think it might be because there is Tatami under the carpet :)
Still i made some small bass trap to make it even a bit better. I ordered those thick foams and put them together with accoustic foam glue (i had that left from when i made my recording studio, its a white glue that dont make foam melt), then i search for the good spot in the room. By the way finding perfect position for the subwoofer took some time...