I think the question you have to answer is, 'how do you want your Hayrali to behave differently?' You can then choose a high end brush to your specifications. From the off you will feel, see and enjoy a noticeable difference, but spending a large amount of money; you want to get closer to perfection.
Sent from my Nexus 6P using Tapatalk
Sent from my Nexus 6P using Tapatalk