lol this is what we did when we smoked in my back yard at my party and my parnts were inside we went behind this bush the day before i had tiyed a string to a branch,well at about 10 oclock we went back behind it and lit up while someone sat down with the string on the other side if someone was comming u yank the sting and thats the signal to hide the shit worked great all u need is a shoe lase try that