I'm eyeing these at the moment. $70 seems like good insurance against a Bates Blowout at an inoppportune time. I'll report back.
https://www.amazon.com/dp/B008FYHB0A/ref=cm_sw_r_sms_c_api_rgolzbSWSVNC5
https://www.amazon.com/dp/B008FYHB0A/ref=cm_sw_r_sms_c_api_rgolzbSWSVNC5