Amazon.com: Sofa Snap Sectional Couch Connector (Flat Fixed Mount #910) : Home & Kitchen
Amazon.com: Couch Clamp Sectional Connectors for Sliding Sofas - Prevent Floor Scratches and Big Gaps in Your Couch with NO Tools or Invasive Install - 4 Pack (for 3 Piece Sofa) (Original) :
Couch Clamp Steel Non-Slip Sectional Connectors for Sliding Sofas - Prevents Floor Scratches and Big Gaps in Your Couch with Easy Install (4 Pack) - Walmart.com