If someone attempts to get into your car with traces of faecal matter adhering to their shoes, this is instantly detected; an alarm sounds, (warning!! faecal matter detected!!) then a fine jet of highly targeted flame shoots out, instantly incinerating the offending matter. (we also sell nice trendy patterned asbestos socks and shoe protectors)-- xenzag, Jun 19 2017 Should be mandatory. [+]-- 8th of 7, Jun 19 2017 No shit sure lock.-- AusCan531, Jun 19 2017 ...instantly incinerating the offender. [+]-- whatrock, Jun 20 2017 random, halfbakery