We invented a new way to control the time on your glass. Simply place the magnetic stopper over the neck of the glass and the timer stops!
These are free if you need one from a previous Esington Glass purchase from us :)
A cool new magic trick - stop the flow of iron nanospheres with the silicone magnet
The magnetic stopper interrupts the flow of the solid iron nanospheres and keeps your place during your timeboxing sprint.