I saw Zendaya use this hand diffuser, I found out it's from DevaCurl but around 300 AUD, there is one on eBay for about 13 dollars... if anyone bought it for cheaper
DevaCurl DevaFuser Universal Diffuser For Unisex 1 Pc Diffuser : Amazon.co.uk: Beauty
DevaCurl Devafuse Diffuser and Dryer! FULL REVIEW AND DEMO - YouTube
DevaCurl DevaFuser Universal Diffuser For Unisex 1 Pc Diffuser : Amazon.co.uk: Beauty