I should have included:

In the previous post the strap wrench at the link is the foot long version. I have a shorter one (7 or 8" handle) from Home Depot that I bought recently for about $10.00 (US) that would be a better size for the kitchen

Walmart probably has the plastic strap style in packages of 2 or 3 "mixed sizes" for $4 to $5.

For the really stuck lids, you could go to the "chain wrench" style, but I can't give my little old lady mine to use 'cause she'd probably slip the chain out and whup me with it.

As to just "break the seal," I take it you don't get into your molasses jug very often? There's always a little drip where the cap screws on that's about like super glue when you open it the next time.

John