O-M-F-G!!! You have Draco down pat. When I saw the warning auto-erotic asphyxiation It translated into must read. This was so V-E-R-Y HOTTT & KINKY!
"Pwaaaaaaver," Draco wheezed out.
When nothing happened, he tried again.
"Paaaaaastah," he gasped, feeling the first hint of panic.
Focusing his mind and wetting his lips, Draco took a short circumscribed breath that really didn't give him any air. But he was motivated—no, terrified, in fact, as he tried one last time.
"Pot-ter!" he barked out in a breathless cough, then almost sobbed with relief as he felt the immediate relaxation of the Snare around his throat.
The sounds were pure brilliant, and Draco using Harry's name as the safe word. You hit ONE of my many kinks. The discription of Draco's Den was also... *fans self*
And the end... He thumbed over the slit of his glans as he smiled. Muggles were cowards, he scoffed as he reached further down to fondle his balls.