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The San Marino Police Department issued a warning last week, saying criminals are using "simple chalk marks" with hidden messages. "These seemingly innocent chalk symbols are coded messages ...

Last week, the San Marino Police Department released an alert to residents regarding simple chalk markings that they say criminals have been leaving behind to denote their targets and keep tabs on ...

Chalk markers have recently gained popularity due to their multi-faceted applicability and simple usage. Suited to various surfaces like chalkboards, glass, and metal, these markers are ideal for ...

Chalk is fun to draw with, and some people even get really good at using it to make art on the sidewalk. If you don’t like tediously developing such skills, though, you could go another route ...