- Half the power to open. Jumbo Futon Shears (2 Pieces x 2 Pieces) Super large foot-on scissors that can be used with thick feet, thick handrails, and veranda walls. Can be used up to 13.8 inches (35 cm) thick (including comforter, handrails, etc.), 2-tier opening and closing for easy opening. Corrugated grip area for easy gripping. External spring type with strong clamping power. The strong steel spring ensures a secure grip from your duvet to the thick duvet. The built-in spring allows you to securely hold the duvet in place, so you can rest assured that it will not come off.