Sleek. Intense. Expert-level pleasure. The Master Series Chasm Stainless Steel Cum-Thru Insert is crafted for serious sensation seekers ready to explore the thrilling world of urethral play. Precision-engineered from polished stainless steel, this piece is weighty, hygienic, and designed for deep, targeted stimulation.
Measuring 5.5 inches long with a gently tapered tip, this smooth insert slides in with control and comfort when used with care and plenty of sterile lubricant. The open-ended, “cum-thru” design allows fluid to pass naturally through the shaft, making it perfect for extended wear, edging, and enhanced climax experiences.
This is a toy for experienced users who appreciate quality craftsmanship, controlled intensity, and the electrifying edge of urethral play.
⚠️ Note: Urethral insertion is an advanced activity. Always use sterile lubricant and clean thoroughly before and after use.














