Full lecture transcription [link not active yet] http://seminary.bhaktivedantaacademy.com/content/uploads/sc/year2/ms102/2012-04-12-Brihad-Manu-Siksa-4.63-185.mp3 Brahmanas should not do things that are useless or impure. They don't just spend their time in idle pursuits or pleasantries, they do something useful. One should not slap limbs, grind teeth, make strange noises etc. Certain metal dishes promote lust -