Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100 ...

That's where the Reva shower head comes in, as it automatically reduces the flow whenever you step back. Manufactured by San Francisco-based startup Oasense, the Reva was invented by co-founder ...