It is because it will be so hard and durable and powerful in use, which can be quite amazing, and you will be able to get the best product.
It also has the lock pin, which means once you start the water, you can lock it and apply the pressure from there only. You can handle the pressure from there and will not have to touch the main spigot.
You can just use the clip to lock, and you do not even have to use your hands.
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