Tokyo Matcha Selection - Chasen Bamboo Tea Whisk 120 for Matcha Mixer Tea Ceremony [Standard ship by SAL: NO tracking number] Chasen Bamboo Tea Whisk 120 for Matcha Mixer Tea Ceremony [Standard ship by SAL: NO tracking number] The bamboo tea whisk is carved from a single piece of bamboo and to different thicknesses for different teas (usucha thin tea or koicha thick tea). Whisking the tea to the correct consistency requires quite a bit of practice! When the mixture becomes slightly frothy, it is ready to drink.