The Navigator Putting Aid by Dirty Larry Golf Attaches to any putter Works for both left/right handed players Adjustable arm accommodates all lie angles / eye positions Lightweight at 1oz & 100% handcrafted in the USA Lifetime Access to the DLG Performance Center - submit your questions about golf and get a custom-tailored and personal response from our on staff PGA Professional in 48 hours or less! (instructions inside)