DIY Unger Ninja handle with Ettore brass channel. Cut a piece of rubber in half, place on channel and it makes it the channel fat enough for the Ninja handle to clamp
Unger ErgoTec Ninja Squeegee Channel
Unger Ninja Squeegee Complete - Windows101
Amazon.com: Unger EN450 ErgoTec Ninja Handle and 18" Squeegee Channel : Health & Household
UNGER NINJA | THE BEST WIDE BODY SQUEEGEE? - YouTube