I bought this system a few years ago & NEVER have looked elsewhere to replace this mopping/bucket system! Many of my family & friends have seen my bucket and mop AND WERE VERY Intrigued and ultimately purchased their own system!! (MUCH TO THEIR DELIGHT)! I have severe back/spine/nerve disease and even with this disability, I am still able to mop my wood/tile/vinyl floors! It is amazing how much dirt/dust this mop head pulls out of our floors! I look at the water after just a few passes and can't believe that my floors are this dirty! In looking at your website today, I realized you made an upgrade to the handle of the mop with the added latch! I would LOVE to know if this upgrade is available to "add on" to my existing handle! I am a true believer that you get what you pay for and this system is worth every penny! That being said, I am now on a limited income and can't afford to spend a great deal of money to upgrade to a Brand New handle, but would be interested to know what my cost would be to add on this new lever feature, if it is even available? Thank you for making such a superior product and I look forward to your reply!