Tough-1 Hay/Straw Bale Cutter - Assorted : Amazon.co.uk: Pet Supplies
Bale knife – Simply Steam
Yard Knife – Premier Equine Int. Ltd.
Hayknife | E. C. Pratt & Co. Ltd
Amazon.com: G GREENLY-AG 29in Hay knife and 20 Blades, Agricultural, Home hay hooks,Net Wrap & Baling Twine hay bale Cutter, Cutting Round Hay Net, Cut Mesh, Hay String. : Tools & Home