source = bkm.ColumnDataSource(data=your_frame)
p = bkp.figure(tools='add the tools you want here, but no hover!')
g1 = bkm.Cross(x='col1', y='col2')
g1_r = p.add_glyph(source_or_glyph=source, glyph=g1)
g1_hover = bkm.HoverTool(renderers=[g1_r], tooltips=[('x', '@col1'), ('y',
    '@col2')])
p.add_tools(g1_hover)
Bokeh Plotting: Enable tooltips for only some glyphs