Ratchet straps for curtainsuder

I red a lot about the XL curtains EN 12642-XL.
However I will never know if I’ll carry the full load required to comply with the requirements.
Therefore I will definitely use over-across two pallets ratchet straps and I’m also coming to a conclusion that I will go for 5000 kg rated straps as that will not only comply with the 50% standard movement sideways but will also stop the pallet moving 50% rearwards - I think :confused: