Take 100 grams of leaf and soak in 190 proof grain alcohol, strain, evaporate the alcohol to about 1-2 ounces of liquid, add one to three grams (depending on desired potency) to the liquid. finish evaporation. You will be left with some powerful extract enhanced leaf. Self titrate the dose to find out how strong it is.
Id also look into what bagseed said, The quid method. Oral tinctures are also possible