IMMUNE BOOSTING POINTS: K27 is one of the most potent immune boosting health points. This K27 point is underneath the hollow of the protruding collar bones. Firmly hold for 2 minute with slow, deep breaths. Learn more from 3 Free Acupressure videos on colds & flu here: http://goo.gl/lUuOQF This link gives you 3 FREE great hands-on videos and good healing info.