Hands-free orgasm is more common than most surveys ever capture:
• Traditional masturbation: 77% of men, 59% of women
• Syntribation (hands-free muscle tensing for arousal/orgasm): 20% of women, 15% of men
Many who practice syntribation don’t report it as “masturbation.”
Source: U.S. national sample of 3,423 adults; psypost