Try this method for securing joints without buying an expensive jig.
Pocket Hole Joinery in Saravanampatti , Coimbatore , Sree Sastha
Pocket Hole Joinery with the Kreg Jig
wolfcraft Jig Set for Pocket-Hole Joinery Torx 4642100
In woodworking, what are pocket holes and when should you use them? - Quora
A Beginner's Guide to Pocket Hole Joinery – Massca Products