You may use this incantation however you feel is best suited for you and your situation. I personally recited it as I created a concoction of herbs in beeswax. I wrote the names of the people I wished to bind and put it into the beeswax and herbs, took it off of the heat, and let the waxy mixture solidify around, inside, and atop their names.
Herbs I used
Irish moss: I mostly use this as an amplifier, sort of how some people use clear quartz crystals. It can also be used on its own for general good luck and money magic.
Juniper berries: a fiery herb that drives away disease, disease causing spirits, and malintent of all kinds. Traditionally used in spells to get back stolen property and deter theft. Some cultures use it as a counter-poison to certain kinds of venom. Can also be used in a tea to fight inflammation.
Hawthorn berries: a "trophorestorative" for the cardiovascular system when ingested; in other words, good for mending a broken heart. The berries come from a thorny tree, which makes them good for protection as well.
Sidenote, but if you are looking for real in depth information on various herbs from an Irish or Celtic perspective, I highly recommend checking out The Druid's Garden blog.
Incantation - I personally like to recite incantations several times, almost like a chant. Feel free to do whatever feels good and right for you and your working.
LET THEM.
Let them be foolish.
Let their tongues roll out from their mouths.
Let them spread lies.
Let their souls rot inside their skin.
Let them be afraid.
Let the smoke from my fire cloud their eyes.
Let them bind their own hands with the rope they intended for me.
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