'Shark Tank' Season 15: Coldest founders dubbed 'worst pitchers' after duo reveal $400K loss in $30M company

'Shark Tank' Season 15: Coldest founders dubbed 'worst pitchers' after duo reveal $400K loss in $30M company

'Shark Tank' Season 15: Coldest founders dubbed 'worst pitchers' after duo reveal $400K loss in $30M company LOS ANGELES, CALIFORNIA: On the most recent episode of 'Shark Tank' Season 15, David Stark and Joe Wayne seek investment for their Florida-based firm, Coldest, which offers water bottles that can keep liquids cold for 36 hours. However, their pitch quickly drew criticism from both the Sharks and viewers, with many labeling it as the "wo…