Shock pads are made of polyurethane and rubber. They are very similar to risers but vary in the fact that their sole purpose is to cushion the board from the trucks. Since the trucks are metal and the board wood, whenever the board hits the ground after doing a trick, the energy goes through the truck to the board ─ this has caused boards to crack, split, or even break in half, and shock pads were created to prevent this.
A skateboard deck is made up of curved layers of wood that are combined with glue. Then, the skateboard deck is trimmed down to a board shape that is practical. Trucks are typically made of aluminum or other metal alloys. They are made by melted metal formed by a mold and later drilled into the skateboard deck. The wheels are formed the same way, but with polyurethane. They are attached by ball bearings to complete the product.
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The ollie is a fundamental skill in skateboarding and is used to leap onto, over, or off obstacles, or over gaps of unfriendly terrain such as grass or stairs. As so many tricks depend on it - for example the kickflip and heelflip - the ollie is often the first skill to be learned by a new skateboarder. The ollie typically takes considerable practice to learn.
So the proper foot placement for the ollie is with the ball of your back foot horizontal on the tail of your skateboard.  And your front foot centered on your board right behind the front trucks.  You may find that moving your feet around in different positions are more comfortable.  This is fine,  everybody can learn how to skateboard their own way.

Unlike some deck options, which are completely bare, the Bamboo Skateboards Galaxy Series Cosmic Cloud Skateboard Deck features heat-stamped artwork on the underside of the board, including several geometric and interstellar designs, including a beautiful nebula. Bamboo Skateboards claims these boards last their customers three weeks longer than other decks. The company sells the boards in three sizes: 7.75-by-31.5-inches, 8-by-31.75-inches and 8.25-by-32-inches.
Skateboards are for people who want to try something new and extreme.  If you have not given it a shot and you want to challenge yourself then you should try skateboarding.  It is a fact that there are certain risks that go along with skateboarding.  However, skateboarding can teach you to balance and it is also a great way of losing weight.  Skateboarding can also help you in making friends while you are in the park.  With skateboarding, you can learn perseverance and build confidence.
From cheap skateboards to high end, custom complete skateboard decks, we have boards for riders of every skill level and tax bracket - we get it, we put skateboarding before everything else first. If you can’t always afford a new board, but go through decks like toilet paper, consider a CCS Skateboard - they cost less, but are manufactured in the same factories as other brands we carry. CCS Skateboards are held to the same standards as every skateboard we sell, but we can sell them for less.
Longboard - A longboard is similar to a cruiser in terms of overall use and getting around town. Longboards start at about 42 inches in length and about 9 inches in width. When you buy a longboard, the wheel base of the trucks is usually wider and they have wheels starting at roughly 60mm. This gives you more maneuverability and a very smooth ride.
It’s not just standard deck sizes that are available for creating or replacing your board. You can just as easily get a great longboard deck to work on in your basement or garage. One of the best and best reviewed options out there is the Loaded Boards Poke Longboard Skateboard Deck. This standard-design longboard deck has it all to help you make the ideal board. 
It is mainly because those items are guaranteed to help you familiarize yourself with the ins and outs of using them. They are a big help in making you feel comfortable when you push off with your feet while also balancing on top of the board when riding. It is not good to go for a very technical product, so it’s best to choose the mentioned types first.