diff --git a/README.md b/README.md
index 9cc54f5..c01c927 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Feel free to [contribute]().
 - [Protocol Level WAF Evasion Techniques](presentations/BlackHat%20US%2012%20-%20Protocol%20Level%20WAF%20Evasion%20(Slides).pdf) - A presentation at about efficiently evading WAFs at protocol level from [BlackHat US 12](https://www.blackhat.com/html/bh-us-12/).
 - [Analysing Attacking Detection Logic Mechanisms](presentations/BlackHat%20US%2016%20-%20Analysis%20of%20Attack%20Detection%20Logic.pdf) - A presentation about WAF logic applied to detecting attacks from [BlackHat US 16](https://www.blackhat.com/html/bh-us-16/).
 - [WAF Bypasses and PHP Exploits](presentations/WAF%20Bypasses%20and%20PHP%20Exploits%20(Slides).pdf) - A presentation about evading WAFs and developing related PHP exploits.
+- [Playing Around with WAFs](presentations/Playing%20Around%20with%20WAFs.pdf) - A small pressentation about WAF profiling and playing around with them.
 
 ### Research Papers:
 - [WASC WAF Evaluation Criteria](papers/WASC%20WAF%20Evaluation%20Criteria.pdf) - A guide for WAF Evaluation from [Web Application Security Consortium](http://www.webappsec.org)