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1.1

Major VersionM

by Suhail Ahanger

Introduction

By making evenly spaced knots on a piece of cotton thread and attaching it to a button or bead, which is also attached to a rubber band wrapped around a bottle cap, one can make a periodic clicking sound as one pulls the thread between one's fingers!

Video Overview

    • Use the scissors/cutter with care.

  1. Form a loop on the cotton thread. And then tie a knot about 2cm away from the edge. And then tie a knot about 2cm away from the edge.
    • Form a loop on the cotton thread.

    • And then tie a knot about 2cm away from the edge.

  2. Keep tying evenly spaced knots all along the thread The knots should all be around 2-3cm away from each other as you can see in the picture. It's okay if the knots are not exactly that far away - a little difference will not change the results.
    • Keep tying evenly spaced knots all along the thread

    • The knots should all be around 2-3cm away from each other as you can see in the picture.

    • It's okay if the knots are not exactly that far away - a little difference will not change the results.

  3. Insert one end of the knotted thread into one hole of the button. Pull it until the first knot, and tie the thread to the button as shown. Wet the end of the thread to make it easier to push it through.
    • Insert one end of the knotted thread into one hole of the button.

    • Pull it until the first knot, and tie the thread to the button as shown.

    • Wet the end of the thread to make it easier to push it through.

  4. Take a rubber band, and cut it open so it is no longer a closed circle. Push one end of the rubber band into the hole in the button that is directly opposite the one through which you put the thread. If the rubber band is too fat for the hole - cut it into half using a scissors.
    • Take a rubber band, and cut it open so it is no longer a closed circle.

    • Push one end of the rubber band into the hole in the button that is directly opposite the one through which you put the thread.

    • If the rubber band is too fat for the hole - cut it into half using a scissors.

    • Or you can try pushing it through with the help of a needle.

  5. Pull the rubber band through, and cross both sides over as shown, and tie a knot. Repeat this knot again in the same place, so that the rubber band is once again a closed circle. When you make the knot, don't pull it all the way - there needs to be a loop. So make two knots one after the other at the top as shown.
    • Pull the rubber band through, and cross both sides over as shown, and tie a knot.

    • Repeat this knot again in the same place, so that the rubber band is once again a closed circle.

    • When you make the knot, don't pull it all the way - there needs to be a loop. So make two knots one after the other at the top as shown.

  6. Make two diametrically opposite notches on the bottle cap using a cutter Now take the rubber band and pull it over the bottle cap such that the button rests against the top of the cap.
    • Make two diametrically opposite notches on the bottle cap using a cutter

    • Now take the rubber band and pull it over the bottle cap such that the button rests against the top of the cap.

    • For reference: your final "toy" will look like this.

    • Now run your fingers along the thread and hear the device make a wonderful cricket-like sound!

    • If you make a knot over an existing knot instead of beside it - you do not need to unwind it, let it be. Bigger knots might produce more significant sounds.

    • If the thread does not fit through the button hole - wet the end of it or take the help of a needle.

    • Make sure to pick a button with a large enough hole for the rubber band, or a thin enough rubber band to fit through the hole. Alternatively, you can use a bead with a bigger hole

    • If you do not find a thin rubber band - you can always cut it in half length wise using a pair of scissors.

    • Try running your finger over the thread fast and slowly - do you hear different sounds?

    • Try spacing out the knots much more - 4 to 5cm away from each other and observe the sounds made now - is it any different from when they were closer?

    • Does using a metallic cap instead of a plastic one produce a different sound?

    • Try using a bigger button and note down the observations.

    • Why do you think this sound is being made? What is the mechanism behind it?

    • Washing Machine Pipe (discuss with Vishal for details)

Finish Line

Suchitha Vishwa

Member since: 05/02/2017

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