jammer choice

[catmer]

Sheet loads on my genoa and stay sail reach up to 3 tonnes.Good quality 10mm lines are good enough.Lines are coming to winches after tracks without changing angle but 10mm jammers are far from holding this kind of loads and seems like 14mm jammers are the right size but there is a huge price difference between 10 and 14,my previous boats had clutches not jammers and sail sizes were close to this.Am I missing something here,any advise?

Thanks

[Stumble]

Generally geneoa sheets are left on the winch while loaded. If you need to be able to clear the winch then cheek blocks with locks would be a far better option than trying to use a clutch.

[sestina]

Leave the sheets loaded on the winch with a tugboat hitch. Quicker to use than any cleat.