diff --git a/gen_video.py b/gen_video.py
index 253360d2..502faefd 100644
--- a/gen_video.py
+++ b/gen_video.py
@@ -43,7 +43,7 @@ def layout_grid(img, grid_w=None, grid_h=1, float_to_uint8=True, chw_to_hwc=True
 
 #----------------------------------------------------------------------------
 
-def gen_interp_video(G, mp4: str, seeds, shuffle_seed=None, w_frames=60*4, kind='cubic', grid_dims=(1,1), num_keyframes=None, wraps=2, psi=1, device=torch.device('cuda'), **video_kwargs):
+def gen_interp_video(G, mp4: str, seeds, shuffle_seed=None, w_frames=60*4, kind='cubic', grid_dims=(1,1), num_keyframes=None, wraps=2, psi=1, device=torch.device('cuda'), feature=None, **video_kwargs):
     grid_w = grid_dims[0]
     grid_h = grid_dims[1]
 
@@ -56,6 +56,12 @@ def gen_interp_video(G, mp4: str, seeds, shuffle_seed=None, w_frames=60*4, kind=
     for idx in range(num_keyframes*grid_h*grid_w):
         all_seeds[idx] = seeds[idx % len(seeds)]
 
+    if len(all_seeds) > 1 and feature is not None:
+        raise ValueError('Cannot explore a feature for more than a single image')
+
+    if len(all_seeds) == 1 and feature is None:
+        raise ValueError('Must specify a feature if exploring an image')
+
     if shuffle_seed is not None:
         rng = np.random.RandomState(seed=shuffle_seed)
         rng.shuffle(all_seeds)
@@ -78,12 +84,16 @@ def gen_interp_video(G, mp4: str, seeds, shuffle_seed=None, w_frames=60*4, kind=
 
     # Render video.
     video_out = imageio.get_writer(mp4, mode='I', fps=60, codec='libx264', **video_kwargs)
+    modifier = 1
     for frame_idx in tqdm(range(num_keyframes * w_frames)):
         imgs = []
         for yi in range(grid_h):
             for xi in range(grid_w):
                 interp = grid[yi][xi]
                 w = torch.from_numpy(interp(frame_idx / w_frames)).to(device)
+                if feature is not None:
+                    w[feature] = w[feature] * modifier
+                    modifier + .01
                 img = G.synthesis(ws=w.unsqueeze(0), noise_mode='const')[0]
                 imgs.append(img)
         video_out.append_data(layout_grid(torch.stack(imgs), grid_w=grid_w, grid_h=grid_h))
@@ -133,6 +143,7 @@ def parse_tuple(s: Union[str, Tuple[int,int]]) -> Tuple[int, int]:
 @click.option('--w-frames', type=int, help='Number of frames to interpolate between latents', default=120)
 @click.option('--trunc', 'truncation_psi', type=float, help='Truncation psi', default=1, show_default=True)
 @click.option('--output', help='Output .mp4 filename', type=str, required=True, metavar='FILE')
+@click.option('--feature', type=int, help='Feature to explore', default=None)
 def generate_images(
     network_pkl: str,
     seeds: List[int],
@@ -141,7 +152,8 @@ def generate_images(
     grid: Tuple[int,int],
     num_keyframes: Optional[int],
     w_frames: int,
-    output: str
+    output: str,
+    feature: int
 ):
     """Render a latent vector interpolation video.
 
@@ -170,7 +182,7 @@ def generate_images(
     with dnnlib.util.open_url(network_pkl) as f:
         G = legacy.load_network_pkl(f)['G_ema'].to(device) # type: ignore
 
-    gen_interp_video(G=G, mp4=output, bitrate='12M', grid_dims=grid, num_keyframes=num_keyframes, w_frames=w_frames, seeds=seeds, shuffle_seed=shuffle_seed, psi=truncation_psi)
+    gen_interp_video(G=G, mp4=output, bitrate='12M', grid_dims=grid, num_keyframes=num_keyframes, w_frames=w_frames, seeds=seeds, shuffle_seed=shuffle_seed, psi=truncation_psi, feature=feature)
 
 #----------------------------------------------------------------------------