You have a chance of breaking into a locked door locked chest by right clicking the chest with either a gold ingot, a gold block, a diamond, or a block of diamond. The gold block has the lowest chance of opening a chest. Blocks of gold, and diamonds have the same chance of opening a chest, but you will have your best luck by using a block of diamond. For the raider who just wants to come take a look around. You have a better chance of picking a locked door using iron ingots over any of the other choices. I hope you guys enjoy as this finally gives more excitement to raiding.
The safest place for storing gear is in the bank/ender chests.
Or you can protect a chest from being lock picked at all for 20,000 Rupies.
Type the command /alp protect (Your economy account will be debited immediately, if you have insufficient funds it will tell you.) Then click on the CHEST you want protected. If you click a sign or other block, you will have wasted your money. I don't have a way to track this so be careful, I won't be giving refunds.