STEP 1: 
The tester then creates two circles with both of his thumbs and index fingers by inserting them into the circle created in your right hand as per Figure 2. The tester will now attempt to pull your middle finger and thumb apart while you concentrate on keeping them together. This usually is difficult to do under normal pressure. 
To counter-act the harmful electro-magnetic radiation place a Nanotech Radiation Shield on the back of your mobile phone (mid centre). Take the test again attempting to pull the thumb and middle finger apart. You will now find that the strength in your fingers has returned!