Red Eye Glass’s 30-centimetre borosilicate glass pipe was designed with a beaker base, a Lay Back Tube, an ice pinch to reduce heat, a cone bowl and a diffuser downstem for a smoother draw. Red Eye Glass’s 30-centimetre borosilicate glass pipe was designed with a beaker base, a Lay Back Tube, an ice pinch to reduce heat, a cone bowl and a diffuser downstem for a smoother draw.