Now, there are many marked playing cards for sale in market, in order to see luminous ink on the backside of marked cards, you must have a luminous invisible ink reader. What is a luminous invisible ink reader? The luminous ink reader is a tool that can see invisible ink. Usually the most common reader are perspective invisible ink sunglasses, more rare readers are luminous contact readers.
Luminous ink glasses are the most common luminous ink reader. The glasses are disguised as infrared sunglasses. The frames are authentic (any brand) glasses and can even be prescription glasses. The coat of infrared filter film on the glass is actually the luminous ink reader. The marked cards glasses readers will be able to detect the luminous marked playing cards. This reader is the most cost efficient, durable, and safest type.
These marked poker cards sunglasses can be used in various kinds of poker card games to read various kinds of marked deck cards.