The Toyo Observe GSi-6 HP has a number of features to help wick water and slush, to preserve traction and maintain grip when cornering and braking. From the first glance at its tread, you will notice that it is an aggressive and sporty design. A unique feature of this tire is the presence of small stars on the blocks. These stars are actually helical-edged sipes, and their primary purpose is to improve traction when cornering.