Hmm, last spring i made lists of advice, techniques, as much practical stuff as i could find. I felt frustrated with all the mind manipulation: live in the present, be here now, empty your head of thoughts. Maddening, don't you think? So i looked for things i could actually do.
And people came up with surprising stuff. Here are a few, including tap along your acupuncture meridians.
Stick your head in a bucket of cold water.
I like the 'time warp', having an evening with drinks, clothes, pictures, old movies, everything to put me in a particular moment in the past. A bath in memory.
An easier one: 'listen to sad music'. I don't know why it works but it does. I've been listening to cool jazz from the fifties. It gives me the feeling life will go on and on.