- Measure erect girth. Sizing .
- Water-based lube.
- On at the base. Fit-test.
- Thirty minutes, then off.
- Wash with warm water and mild soap or a toy-safe cleaner (store FAQs).

Mammoth Force
Mammoth Ring
Stretch silicone ring. Store lists oval inner size 1.5 in and a 2.5x stretch.
4.6 from 15,000+ reviews
Free shipping over $50 • Discreet packaging • Ships from Huntington Beach, CA
Frequently asked questions
Which ring?
Mammoth Ring $39.99, Dragon $39.99, Red Tiger $24.99. See /compare/.
Wear time?
Thirty minutes maximum on the store product pages.
