Spikes Mod for Minecraft 1.9.4/1.8.9/1.7.10

You can place the spikes on opaque cubes or glass. Providing redstone power to a spike will force the spike to retract rendering it harmless. It will also retract all other spikes around it in a 3×3 depending on its orientation.

Download: /spikes-mod/
Read more: Minecraft 1.9 Mods