Easy peasy core plug/frost plug removal. Here I use a medium size pry bar, select something with a wider bill that's not too sharp. If the core plug is between 2 cylinders then you'll want to place the prybar at either the top or bottom, if there's a cylinder directly behind you'll want to place the prybar to the left or right side to ensure the plug has room to move. Use a tapometer (hammer) to pop the plug in, then grab onto the plug with a pair of needle nose vice grips, use the prybar to lev