Dragons' Den (CA) 5x13

An inventor puts a new spin on riding a bike to work; laundry detergent that's good for the environment; and a tradeshow that'll make you look twice. Plus, will a hockey musical have the Dragons singing praises or spitting fire? Pitches include: Frogbox, Shake Rattle & Paddle, Gawker Stopper, Sexapalooza, Buy Soap Nuts, Spin-O-Rama, Suitsak.