Ball Bearing Poster

This simple device can be used as a last line of defense when riot police attempt to charge a line of protestors. The “Ball Bearing Poster” can quickly and easily scatter a barrier of ball bearings on the street making it difficult for police to charge a crowd or a small targeted group. The bearings are concealed inside an aluminum rod which is surrounded by wood, creating the handle for your protest sign. Slowing down the advancing riot police can give the group a little more time to flee the area without getting arrested. The advantage of concealing the bearings inside a sign handle makes it easier to covertly fling the bearings in an even sweeping action. If getting arrested is unavoidable the sign can be dropped on the ground without raising any suspicions from the police - a big advantage over carrying bearings in you pocket. It's becoming more and more common for peaceful demonstrations and protest to suddenly take a violent turn. It is often times the police that initiate violent clashes. Turning a peaceful protest violet allows the police to quickly take control of the demonstration and also offers them an opportunity to single out organizers and arrest them. Once you have your materials it takes less than 15 minutes to complete one of these. For best results make several of these for you and your fellow protesters.
You will need ( tools or supplies ): 
(2) 1/2" x 1 1/2" x 36" pieces of wood
Table saw
(1 ) 1/16" thick x 1/2"diameter x 36"long aluminum tube
Wood glue
5 min epoxy
making tape or a few small wood clamps
Protest poster
(2) 5/16" x 1/2" tapered rubber stoppers (cork stoppers will also work)
1 pack (90/pk) 5/16" steel ball bearings (Trumark SA30C Slingshot Ammo works well)
Step

Cut two pieces of 1/2" x 1 1/2" wood to 36" in length.

Step

Using a table saw, set the height of the blade to a little more than 1/2". Now take your two pieces of wood making a series of cuts make a slot in each that is 17/32" x 17/32" - or a little more than 1/2" x 1/2".

Step

Now that the pieces of wood are slotted, test to see that the aluminum rod fits in the slot you've created. If done correctly, the aluminum rod should fit when the two pieces of wood are put together. After making sure the rod will fit, apply wood glue to the edges of the wood as shown. Once the glue is spread quickly mix up your 5 min epoxy and add a few dabs into the slot of the wood.

Step

Now place the aluminum rod into the slot of one of the pieces of wood and clamp the other piece around it using masking tape or a few small wood clamps. Make sure that the aluminum rod is centered lengthwise in the slot before the epoxy sets. Let this dry while tapes up for a few hours - less time if it is above 70 degrees F.

Step

Once the glue and epoxy has dried, attach the sign of your choice by gluing or stapling it to the wood handle you've created. Keep in mind a smaller size will allow you to fling the bearings out easier. A sign mounted on foam core works the best because it will stay rigid when you are flinging the bearings. Once the sign is attached, put the bottom rubber stopper in the aluminum tube. Make sure this bottom stopper is very tight before putting the bearings in or else the weight of the bearings will push it out and you will have slipper bearings all over the place.

Step

You are now ready to add the ball bearings. You can put them in one by one or you can grab a handful and funnel them into the top of your sign. Once you have added about 90 5/16" bearings, put the top stopper in and you're ready for the protest. Keep the top stopper snug but not too tight. This will keep the bearings in if the sign is tipped but it will come pop out if you try and fling the bearings with a little force. Don't fill the whole tube with bearings or you won't be able to generate enough force to push out the stopper when you go to fling it.

Step

Now that you've completed the construction of the "Ball Bearing Sign" you're ready for the protest. Keep in mind that flinging the ball bearings can be dangerous to you and your fellow protesters. This device is not meant to be used a s a weapon to fight the police. It wouldn't be a very effective one either. It will simple allow you and your group a little time to get away from advancing police and avoid being arrested, detained, beaten etc.

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