Fishbone Anchor-Design: Unlike other tent anchor tools, this one here is special, made of aluminum alloy, fits perfectly and doesn't need any installation tools. Designed for camping on the dock deck or plank road, stabilize the umbrella holders in windy conditions. Hassle-Free Installation: With the unique shape, these slim and sleek stacks, insert Put them in wooden plank space and twist to fix the tent without hole tightly. Convenient and simple, only for walking and deck camping. Dismantling your attachment anchor from the deck will be quick and easy. Unique chevron design: The unique spring buckle chevron design can firmly fix the tent by simply inserting it into the recess of the wooden board and twist it to avoid leaving traces and destroying objects. The spring buckle helps to fix the tent piles better and prevent the pegs from falling off or twisting due to the tent falling. With slip resistance: barbed deck buckle at the bottom for firmer resistance without slipping.