the digital age brings with it the wondrous opportunity of placing a touch mark anywhere you want it and in any size, and on nearly any material. I've been able to avoid the expense by leaning on a friend who has a machine that can do the job- it's the only aspect of my process that I outsource- but I realize there will be a time in the near future when I'll have to buck up and buy my own. Fortunately, like most technology, the machines keep getting smaller and cheaper year after year.
Check out Andreas Kalani's work, he makes extensive use of the laser for embellishment