Long Exposure handy stuff

Long exposure is often used for landscape and seascape, often inspiring calm and serenity. But shooting them can be tricky and nervous. Indeed, you will often put yourself running in rocks, avoiding waves, with several Kg on your shoulders ! During more than ten years shooting long exposure, gear and accessories has evolved a lot, I have used lot of different solutions, and I will present you here some (I hope) handy stuff.