To grind weed without a grinder, break buds into smaller pieces using your hands, scissors, or a knife on a cutting board. For a finer texture, place cannabis in a dry pill bottle with a coin and shake vigorously. This manual method ensures a smooth smoking experience without the need for specialized equipment. http://www.herbwellcannabis.com/blog/how-to-grind-weed-without-a-grinder