Made from two-dimensional S-shaped heavy-duty wire, zigzag springs are known in the upholstery industry as “No-Sag” springs. They are typically used in ottomans, sofas and chairs and are ideal in furniture pieces with shallow frames.

A time-honored construction method using a series of coils, each tied — from front to back, side to side and diagonally — eight times. This systems creates even comfort and prevents “give” in the frame. This traditional method is believed to offer superior comfort, but should never be confused with “Drop-In” or “Machine-Tied” coils, which some furniture retailers pass off as “Eight Way.”