This brush introduces an easier way to rinse after brushing your teeth.
A hole in the brush directs the water upwards, which can be quite useful if we have a low-height tap or want to do without having a glass in the sink. It also has spare parts for new sows.
It may be novel in our First world but it seems that this trick was already practiced for a long time by tribes of the Amazon with bamboo ...
It is a design of Amron ExperimentalVia dezeen.