S5·E4 Episode 4

In the fourth episode of the fifth series, the entrepreneurs present the following ideas to the dragons:

* Recycling products.

* Easily carried spare shoes for nights out.

* Film production of a vanity-published book.

* Milk-fruit smoothies.

* Teach yourself to be a DJ.

* Car cleaning without water.

* Car boot tidy for groceries.

* Children's light switches.

* Cushion that shades you while you sunbathe.