Needlepoint stretcher bars are used to hold your needlepoint canvas taut while you stitch. They are sold in pairs and so you need two pairs (4 bars)
11-13 inch frame --Needlepoint Stretcher Bars
22-28 inch froma --Needlepoint Stretcher Bars - Sizes:24 inch Needlepoint accessories, Needlepoint, Needlepoint pillow kits
Bliss Solid Wood Stretcher Bar DIY Kit 3/4 Deep With Plastic Keys for Canvas Art or Needlepoint, 8x16
Stretcher Bars –
Wherefore Art Thou, Stretcher Bars? Getting schooled by needle and thread — Dawn B Creative
Stretcher Bars –
Bars on Top or Bars on Bottom? – Nuts about Needlepoint
WELCOME to the CHILLY HOLLOW NEEDLEPOINT ADVENTURE: Evertites: A Review UPDATED
When To Use A Scroll Frame