Welcome to the Cornish Crabbers Online Shop / Canvas Work and Upholstery By Boat Type Canvas Work and Upholstery By Boat Type Coble Covers & Canvas (2) Shrimper 17 Covers & Canvas (3) Shrimper 19 Covers & Canvas (6) Shrimper 21 Covers & Canvas (4) Crabber 24 MKIII & IV Covers & Canvas (1) Crabber 22 Covers & Canvas (2) Crabber 26 Covers & Canvas (3) Pilot Cutter 30 Covers & Canvas (1)