Ruined orgasm in bondage bag

What a joy for me and what a torment for the slave ... there he lies firmly fixed in the bondage bag of leather only the twitching tail peeps out .... He can see through his gas mask nothing and hear only little ... So I like it particularly well ... With great pleasure I jerk his cock, snot up again and again let him suffer with his horniness. Again and again drop and jerk. Well ... There twitches the tail and it just runs out ... At some point just nothing more goes