Spiders can beat through the glass panel.

• What I expected to happen was ...: *
  I put the glass panels and spiders unleashed and they were beating me.

• What actually happened was ...: *
  But spiders at first did not notice me, and then started to beat through the glass panel.

• Steps to Reproduce: *
  1. Place the glass panel in a single layer.
  2. Encourage spiders for glass panels.
  3. Get up close to the glass panels.