What is that in there hands? And why are they doing this

They re checking for body filler.A vehicle involved in accident twice is bad market.. D instrument is magnet attached to string, the higher the breaking point of the string, the lower the possibility of body filler. The lower the tensile strength,the higer the presence of filler

it is called a : Pro guard magnetic paint thickness gauge or a Car paint tester pro - site to buy: 👇i shared a tweet about it.

Na stethoscope, to check weda d car dey breathe well

Dem dey check of na first body

They are doing dna test for the car 😊

Its to check the Gender.

To check is it has been painted before. If the car has been painted it won't magnet

Accidented car testers.

Magnetic filler detector.

To check if the car has been filled and resprayed