Here is a nice ball marker for people without a budget.
http://www.ebay.com/itm/SCOTTY-CAMERON-FLEUR-LIS-COIN-BALL-MARKER-JAPAN-MUSEUM-RARE-NIB-/190665796526?pt=LH_DefaultDomain_0&hash=item2c64912bae#ht_842wt_1219
I use an Angels ball marker that also attaches to my hat.
http://www.ebay.com/itm/SCOTTY-CAMERON-FLEUR-LIS-COIN-BALL-MARKER-JAPAN-MUSEUM-RARE-NIB-/190665796526?pt=LH_DefaultDomain_0&hash=item2c64912bae#ht_842wt_1219
I use an Angels ball marker that also attaches to my hat.