Gradually the days of the footwear being just a fashion statement are fading away, now they are getting to be tools of high quality technology. The 'satnav' footwear uses a Bluetooth link to connect to the mapping system on your mobile phone, calculating which route you should take and sending discreet vibrations to your feet telling you when you need to turn. For £100, the technology, called Lechal, comes either ready-fitted in a Ferrari-red shoe or as an insole that can be inserted into any shoe. The Lechal shoes can last around three days before they need charging. "They are as easy to use as a tap on the shoulder," Krispian Lawrence, 30, who developed the shoes with Anirudh Sharma, 28, in Hyderabad, India, told The Daily Mail. "It's that intuitive - if someone taps you on the left shoulder, you immediately turn left. This product harnesses that basic instinct. "You can even communicate with them using hand gestures and finger snaps because the shoe