A nice scalp massager
http://www.amazon.com/gp/product/B001IHXFQK/ref=s9_hps_ft_g364_ir13?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-3&pf_rd_r=1QNTMGBQFWSXZC828YB6&pf_rd_t=1401&pf_rd_p=1877421542&pf_rd_i=1000978941