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SEI MIO No Chain No Gain ties a collar, wrist cuffs and ankle cuffs together into one whole-body tether. The wearer can still stand, walk and move around, but only with shortened steps and limited reach. That sets it apart from most BDSM restraints, which are bed kits: it doesn't pin anyone down, it slows them down, which suits role play, service scenes and power exchange around the house.

How the tether is laid out

The wrist and ankle cuffs connect through the tether to a collar that can be removed. Each section adjusts on its own, so you can give the arms more slack than the legs or the reverse. SEI MIO says the excess tether may be trimmed once you've settled on an arrangement. Measure twice before you cut: a trimmed tether can't be lengthened again, and a fit set for one body may not suit another.

Chain in name only

Despite the title, the maker describes the link as an adjustable, trimmable tether rather than metal chain, with nickel-free hardware. Expect something quieter and lighter than steel, and easier to wear for a longer scene.

Moving safely in BDSM restraints

Short strides change balance. Clear rugs, cables and pets from the floor before you begin, keep stairs out of the scene and walk beside your partner the first few times. The collar should never take the strain: set the tether so arms and legs carry any tension, and make sure two fingers fit under the collar at all times. Keep safety shears within reach so you can free someone fast.

Care

The maker says spot clean only. Use a damp cloth with a little mild soap, air-dry it, and skip bleach, the dryer, the iron and dry cleaning.

Specifications

  • Brand: SEI MIO by Creative Conceptions
  • Type: whole-body tether restraint (collar, wrist cuffs, ankle cuffs)
  • Collar: removable
  • Adjustment: cuffs and tether adjust in sections; excess tether can be trimmed
  • Hardware: nickel-free
  • Care: spot clean only
  • Tether length and cuff sizes: not listed by the maker

Prefer to keep things on the bed? See The Bottom Line, browse our restraints and bondage cuffs, or read our beginner's guide to BDSM.

Helpful Information

Frequently Asked Questions

Helpful answers about SEI MIO - No Chain No Gain - Ankle, Hand & Collar Chain Restraint System.

Is No Chain No Gain made of metal chain?

No. Despite the name, SEI MIO describes an adjustable tether that can be trimmed to length, with nickel-free hardware. It's lighter and quieter than steel chain, so it's easier to move around in.

Can the wearer walk while wearing it?

Yes, and that's the idea. The tether shortens the stride and limits how far the arms reach, so the wearer can still move about the room, just slowly. Clear the floor first and keep away from stairs.

How do I keep the bondage collar safe?

Adjust the tether so the wrists and ankles take any pull, never the neck. Two fingers should always fit under the collar. If the wearer stumbles, the collar shouldn't pull tight; if it does, lengthen the tether before carrying on.

Should I trim the tether?

Only once you're sure of the fit. Try a few sessions with the excess tucked away first, and if more than one person will wear it, leave it long. Cut tether can't be added back.

Is it suitable for beginners?

It suits beginners who want gentle restriction rather than full immobility, since the wearer keeps some movement. Start with generous slack, keep the first scene short and agree a safe word before the cuffs go on.

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