Slow down your pace
Use a lighter grip
Pause when you feel close to orgasm
Start and stop repeatedly
Focus on breathing steadily
Change hand pressure and rhythm
Avoid rushing at the beginning
Use plenty of lubricant
Try edging
Strengthen pelvic floor muscles
Reduce overstimulation
Masturbate when less aroused
Practice regularly to build control
Distract your mind slightly if needed
Take breaks during the session