For real world practice, cover the clear pins and tamper with them as you would a non-transparent lock.
Titanium Lock Picking Tool Executive Entry Kit
Security Pins: A Beginner's Guide
Medium Difficulty Clear Padlock for Training
Transparent 7 Pin Practice Lock Set Ideal For Locksmiths, With Spool Pins Stock Price Included From Kywel_obd, $5.76
7- and 8-Pin Tubular Lock Picks
Lots of Locks!
A simple device for lock-picking practice, the Clear Practice Lock features a see-through design that allows you to see the movement of the five pins.
Brockhage Clear Practice Lock
Clear Lock Pick Practice Lock 8 page Wallet Lock Picking Tip Guide – Grimworkshop
Clear Padlock for lock pick training - medium difficulty
Visible Cutaway Practice Lock With Spool Pins
Clear Lock Pick Practice Lock 8 page Wallet Lock Picking Tip Guide – Grimworkshop
VISIBLE PIN TUMBLER PRACTICE LOCK WITH SPOOL PINS - MBA USA, Inc.
EZ Rekey 6-Pin Practice Lock Non-Cutaway Kwikset Keyway : Tools & Home Improvement
The 7 pin version of our lock picking practice locks. Pin stack retainer screws make it easy re-key this lock cylinder to thousands of different key
7 Pin Ultimate Adversary Practice Lock
Lock Pick Practice