crescent o-ring

An o-ring shaped like a crescent moon.

See also

• o-ring
• cat o-ring
• crescent o-ring
• diamond o-ring
• heart o-ring
• horseshoe o-ring
• rabbit o-ring
• square o-ring
• spade o-ring
• star o-ring
• triangle o-ring

This tag implicates o-ring (learn more).