Allows secure access to your digital products (software, eBooks etc) after a successful transaction on Clickbank. Linklok's proprietary security system ensures that your thank you (download) page cannot be reused, bookmarked or shared in any way. Download links are time limited and also cannot be shared. Many systems simply claim to be 'Hacker Proof' but we think that Linklok is the most secure system available for Clickbank. Can also email secure download links to buyer. No database or cookies required. Setup in 5 minutes. Versions also available for other payment processors. Now has support for Amazon S3, Dropbox, Aweber, Sendgrid, Sitelok and PDF Watermarking..