Dick sucking tips (from the man who's not getting enough head)
Use your hands! Grip the base of their cock and gently pull downwards. This will tighten things up and help keep them hard.
Stroke it! Use lube or spit, and make sure to pass above and below the glands with your motions. (The glands are located where the tip meets the shaft)
Apply gentle suction on the way up. Your cheeks should just begin to hollow out.
Rub your thumb or tongue against the frenulum (the underaide of the head), this is a very sensitive area, arguably comparible to the clit.
Sucking balls isn't about sucking the actual testical like a cough drop! It's about applying gentle suction to the surface of the testical. The only part of his balls that should ever enter your mouth is a small portion of the scrotum.
And most importantly, please suck MY dick, that's crucial to this working.