This is already possible. @stuu Made

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GitHub - stutxo/labitbu

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as a meme for example, let's see how knots can prevent this without reverting taproot (f08fd61d48f79eeb0c4bc9e58f2d7ecad0e20e5d6411b588590cb0480c8e7fbe), the 80B limit didn't stop anything, and neither did your filter.