keef hash? ill give it a go

[PuffTheMagicDragon]

i have alot of keef from harvest that has collected in the cardboard morter boxes form the 4th i think ill make some keef hash so i take celephane form a cig box then pack the keef hard at the bottom roll it up lighter seal it tape it as well perhaps and roll it in wet paper towel or newspaper or both pre heat oven to 175 put it in for 10 mins? then take it out take the paper off take a piece of ice and push down on it on tile floor over and over then put in the fridge and unrap it and their you have it am i correct any 1?